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	<title>jQuery plugin: Tablesorter 2.0 - Writing custom parsers</title>
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	<script type="text/javascript" id="js">
	// add parser through the tablesorter addParser method
	$.tablesorter.addParser({
		// set a unique id
		id: 'grades',
		is: function(s) {
			// return false so this parser is not auto detected
			return false;
		},
		format: function(s) {
			// format your data for normalization
			return s.toLowerCase().replace(/good/,2).replace(/medium/,1).replace(/bad/,0);
		},
		// set type, either numeric or text
		type: 'numeric'
	});
	
	$(function() {
		$("table").tablesorter({
			headers: {
				6: {
					sorter:'grades'
				}
			}
		});
	}); 				
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	<h1>table<em>sorter</em></h1>
	<h2>Writing custom parsers</h2>
	<h3>Flexible client-side table sorting</h3>
	<a href="index.html">Back to documentation</a>
</div>
<div id="main">
	<h1>Demo</h1>
	<div id="demo">
	<table cellspacing="1" class="tablesorter">
		<thead>
			<tr>
				<th>Name</th>
				<th>Major</th>
				<th>Gender</th>
				<th>English</th>
				<th>Japanese</th>
				<th>Calculus</th>
				<th>Overall grades</th>
			</tr>
		</thead>
		<tbody>
			<tr>
				<td>Student01</td>
				<td>Languages</td>
				<td>male</td>
				<td>80</td>
				<td>70</td>
				<td>75</td>
				<td>bad</td>
			</tr>
			<tr>
				<td>Student02</td>
				<td>Mathematics</td>
				<td>male</td>
				<td>90</td>
				<td>88</td>
				<td>100</td>
				<td>good</td>
			</tr>
			<tr>
				<td>Student03</td>
				<td>Languages</td>
				<td>female</td>
				<td>85</td>
				<td>95</td>
				<td>80</td>
				<td>medium</td>
			</tr>
		</tbody>
	</table>
	</div>
	<h1>Javascript</h1>
	<div id="javascript">
		<pre class="javascript"></pre>
	</div>
	<h1>HTML</h1>
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		<pre class="html"></pre>
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